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# Chemistry Notes ## Volume and Temperature * In Dalton's law of partial pressures, VOLUME and TEMPERATURE are the same for each gas placed in a container. * Molecular formula of lactic acid - C3H6O3 * How many grams of lead II chloride are produced from the reaction of 15.39 g of NaCl and 60.8 g...

# Chemistry Notes ## Volume and Temperature * In Dalton's law of partial pressures, VOLUME and TEMPERATURE are the same for each gas placed in a container. * Molecular formula of lactic acid - C3H6O3 * How many grams of lead II chloride are produced from the reaction of 15.39 g of NaCl and 60.8 g of Pb(NO3)2? What is the limiting reactant? * If 4.95 g of ethylene (C2H4) are combusted with 3.25 g of oxygen, How many grams of CO2 are formed? 2.98g * How many grams of NH3 is produced if you react 42 grams of N2? 51.1 grams * Stoichiometry deals with the amounts of materials consumed and products formed in chemical reactions. ## Physical Properties * Which property of matter can describe the pressure in a semi-deflated balloon? * What property of matter can be observed or measured without changing its chemical composition? A physical property * What do you call the popular name of a product? A product name ## Chemical Processes * It is a process where the components of a liquid mixture are vaporized and then condensed and isolated. B. Distillation * What are the three rays produced by radioactive isotopes? D. Alpha, Beta, Gamma * Isotopes of the same element have a different number of what atomic particles? B. Neutrons * Which of the following gives the simplest ratio of atoms in a molecule? A. empirical formula * Chemical formula is like a shorthand used to represent the elements in a compound. This statement is C. Always true * When balancing equations, a \_\_\_\_ can be placed to make the equations balanced C. coefficient * The ratio of the actual yield to the theoretical yield is known as the A. Percent yield * What variable in chemistry describes the ratio of a specific gas in a mixture of gases? B. mole fraction * What is the common name of the chemical compound, C6H12O6? D. glucose * Which one shows the chemical formula of Nitrous oxide? B. N2O * What variable refers to the result of force acting on an object per unit area? D. pressure * What gas law is stated as "the volume of a fixed quantity of gas at constant temperature is inversely proportional to the pressure"? A. Boyle's Law * Charles' Law can be mathematically represented as C. V/T = constant * What is the relationship between volume and number of a gas held at a constant pressure and temperature was said by Avogadro? A. Directly proportional